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==Crystal structure of nitrophorin 7 from Rhodnius prolixus at pH 5.8==
==Crystal structure of nitrophorin 7 from Rhodnius prolixus at pH 5.8==
<StructureSection load='4xmc' size='340' side='right' caption='[[4xmc]], [[Resolution|resolution]] 1.42&Aring;' scene=''>
<StructureSection load='4xmc' size='340' side='right'caption='[[4xmc]], [[Resolution|resolution]] 1.42&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[4xmc]] is a 1 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4XMC OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4XMC FirstGlance]. <br>
<table><tr><td colspan='2'>[[4xmc]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Rhodnius_prolixus Rhodnius prolixus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4XMC OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4XMC FirstGlance]. <br>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=HEM:PROTOPORPHYRIN+IX+CONTAINING+FE'>HEM</scene></td></tr>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.421&#8491;</td></tr>
<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Nitrite_dismutase Nitrite dismutase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=1.7.6.1 1.7.6.1] </span></td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=HEM:PROTOPORPHYRIN+IX+CONTAINING+FE'>HEM</scene></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4xmc FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4xmc OCA], [http://www.rcsb.org/pdb/explore.do?structureId=4xmc RCSB], [http://www.ebi.ac.uk/pdbsum/4xmc PDBsum]</span></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=4xmc FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4xmc OCA], [https://pdbe.org/4xmc PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4xmc RCSB], [https://www.ebi.ac.uk/pdbsum/4xmc PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4xmc ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
[[http://www.uniprot.org/uniprot/NP7_RHOPR NP7_RHOPR]] Converts nitrite as the sole substrate to form nitric oxide gas (NO). NO(2-) serves both as an electron donor and as an electron acceptor. Binds to negatively charged cell surfaces of activated platelets; binds to L-a-phosphatidyl-L-serine (PS)-bearing phospholipid membranes. Once bound on an activated platelet, NP7 releases its stored nitric oxide gas (NO) into the victim's tissues while feeding, resulting in vasodilation and inhibition of platelet aggregation. Also acts as an anticoagulant by blocking coagulation-factor binding sites. Has antihistamine activity; binds histamine with high affinity.<ref>PMID:15170336</ref> <ref>PMID:15598503</ref> <ref>PMID:17428677</ref> <ref>PMID:17958381</ref> <ref>PMID:19655755</ref>
[https://www.uniprot.org/uniprot/NP7_RHOPR NP7_RHOPR] Converts nitrite as the sole substrate to form nitric oxide gas (NO). NO(2-) serves both as an electron donor and as an electron acceptor. Binds to negatively charged cell surfaces of activated platelets; binds to L-a-phosphatidyl-L-serine (PS)-bearing phospholipid membranes. Once bound on an activated platelet, NP7 releases its stored nitric oxide gas (NO) into the victim's tissues while feeding, resulting in vasodilation and inhibition of platelet aggregation. Also acts as an anticoagulant by blocking coagulation-factor binding sites. Has antihistamine activity; binds histamine with high affinity.<ref>PMID:15170336</ref> <ref>PMID:15598503</ref> <ref>PMID:17428677</ref> <ref>PMID:17958381</ref> <ref>PMID:19655755</ref>  
<div style="background-color:#fffaf0;">
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
== Publication Abstract from PubMed ==
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
</div>
<div class="pdbe-citations 4xmc" style="background-color:#fffaf0;"></div>
==See Also==
*[[Nitrophorin|Nitrophorin]]
== References ==
== References ==
<references/>
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Nitrite dismutase]]
[[Category: Large Structures]]
[[Category: Ogata, H]]
[[Category: Rhodnius prolixus]]
[[Category: Heme]]
[[Category: Ogata H]]
[[Category: No transporter]]
[[Category: Oxidoreductase]]
[[Category: Transport protein]]

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